> For the complete documentation index, see [llms.txt](https://kingdomlegacy.gitbook.io/kingdomlegacy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kingdomlegacy.gitbook.io/kingdomlegacy/references.md).

# References

## Contract Links

### 1. [MAGA Contract](https://bscscan.com/address/0x5224574Aff8b0da88D7497ec29f84CfDc1296455)

MAGA is used to stake for MAS, buy cards, battle in Match, and in Rocket Game. It follows ERC20 protocol.

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#### 2. [MAS Contract](https://bscscan.com/address/0xD1D58E0e9C9319D00c328B8e1d863ACdE20497DE)

MAS is used to upgrade NFT cards. It follows ERC20 protocol.

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#### 3.[ Card Contract](https://bscscan.com/address/0x915cC10Dae0E4dFe9634Ed0CCA9640Aea1dAd3fB)

All N, R, SR, SSR, and UR cards are NFTs that follow the ERC721 protocol.

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#### 4. [Market Contract](https://bscscan.com/address/0x2641cdeF453bb7f881B34Eb77A3376C782Cc10f4)

This contract is used for NFT card trading.

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